Also know as Choujuushin Gravion and Super Heavy God Gravion.
This is it, The final battle for the fate of the universe has begun as the Gran Knights and Sandman take on Hugi and the ulitmate Zeravire weapon. As the whole world looks on, our heroes must band together like never before to ensure the saftey of mankind
While searching for his missing sister, Eiji Shigure secretly enters the castle of millionaire Klein Sandman. There he meets the castles strange inhabitants and is selected to join in Sandmans mission to stop a destructive alien known as the Zeravire. The